Build bjoern error in mac m1 with command `pip3 install --global-option=build_ext --global-option="-I/opt/homebrew/include" bjoern`

[yukar1z0e]

When I tried the command pip3 install --global-option=build_ext --global-option="-I/opt/homebrew/include" bjoern to build bjoern , it crashed out with the erroers below.

[jonashaag]

https://github.com/jonashaag/bjoern/wiki/Installation

[NaliangzzZ]

My m1 mac has installed libev and gcc,but it still cant work

[jonashaag]

https://github.com/jonashaag/bjoern/issues/226

[ijs-octo]

"It works for me"...

Where is your libev library? For me:

$ find /opt/homebrew -name 'libev.dylib' -print
/opt/homebrew/lib/libev.dylib
/opt/homebrew/Cellar/libev/4.33/lib/libev.dylib

Also, are you using a pip/python installed by Homebrew?

[HK69s]

You can use the following command：pip3 install --global-option=build_ext --global-option="-I/opt/homebrew/include" --global-option="-L/opt/homebrew/lib" bjoern

[synchronizing]

The following works on M2 after brew install libev:

LDFLAGS="-L$(brew --prefix libev)/lib" CFLAGS="-I$(brew --prefix libev)/include" pip install bjoern

Homebrew v3.0.0 modified the default prefix from /usr/local on Intel, to /opt/homebrew on Apple silicon (see here). These changes can be added to the repo here if anyone wants to do the work of creating an MR for this.